Issues in class.jetpack-xmlrpc-server.php - Fixed Issues - Inspection of "XML-RPC: Remove mention of access token from remot..." - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

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created 2018-03-28 21:31 UTC

class.jetpack-xmlrpc-server.php (1 issue)

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<?php

/**
 * Just a sack of functions.  Not actually an IXR_Server
 */
class Jetpack_XMLRPC_Server {
	/**
	 * The current error object
	 */
	public $error = null;

	/**
	 * The current user
	 */
	public $user = null;

	/**
	 * Whitelist of the XML-RPC methods available to the Jetpack Server. If the
	 * user is not authenticated (->login()) then the methods are never added,
	 * so they will get a "does not exist" error.
	 */
	function xmlrpc_methods( $core_methods ) {
		$jetpack_methods = array(
			'jetpack.jsonAPI'      => array( $this, 'json_api' ),
			'jetpack.verifyAction' => array( $this, 'verify_action' ),
		);

		$this->user = $this->login();

		if ( $this->user ) {
			$jetpack_methods = array_merge( $jetpack_methods, array(
				'jetpack.testConnection'    => array( $this, 'test_connection' ),
				'jetpack.testAPIUserCode'   => array( $this, 'test_api_user_code' ),
				'jetpack.featuresAvailable' => array( $this, 'features_available' ),
				'jetpack.featuresEnabled'   => array( $this, 'features_enabled' ),
				'jetpack.disconnectBlog'    => array( $this, 'disconnect_blog' ),
				'jetpack.unlinkUser'        => array( $this, 'unlink_user' ),
				'jetpack.syncObject'        => array( $this, 'sync_object' ),
				'jetpack.idcUrlValidation'  => array( $this, 'validate_urls_for_idc_mitigation' ),
			) );

			if ( isset( $core_methods['metaWeblog.editPost'] ) ) {
				$jetpack_methods['metaWeblog.newMediaObject'] = $core_methods['metaWeblog.newMediaObject'];
				$jetpack_methods['jetpack.updateAttachmentParent'] = array( $this, 'update_attachment_parent' );
			}

			/**
			 * Filters the XML-RPC methods available to Jetpack for authenticated users.
			 *
			 * @since 1.1.0
			 *
			 * @param array $jetpack_methods XML-RPC methods available to the Jetpack Server.
			 * @param array $core_methods Available core XML-RPC methods.
			 * @param WP_User $user Information about a given WordPress user.
			 */
			$jetpack_methods = apply_filters( 'jetpack_xmlrpc_methods', $jetpack_methods, $core_methods, $this->user );
		}

		/**
		 * Filters the XML-RPC methods available to Jetpack for unauthenticated users.
		 *
		 * @since 3.0.0
		 *
		 * @param array $jetpack_methods XML-RPC methods available to the Jetpack Server.
		 * @param array $core_methods Available core XML-RPC methods.
		 */
		return apply_filters( 'jetpack_xmlrpc_unauthenticated_methods', $jetpack_methods, $core_methods );
	}

	/**
	 * Whitelist of the bootstrap XML-RPC methods
	 */
	function bootstrap_xmlrpc_methods() {
		return array(
			'jetpack.verifyRegistration' => array( $this, 'verify_registration' ),
			'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ),
			'jetpack.remoteProvision' => array( $this, 'remote_provision' ),
		);
	}

	function authorize_xmlrpc_methods() {
		return array(
			'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ),
			'jetpack.remoteProvision' => array( $this, 'remote_provision' ),
		);
	}

	function remote_authorize( $request ) {
		$user = get_user_by( 'id', $request['state'] );
		JetpackTracking::record_user_event( 'jpc_remote_authorize_begin', array(), $user );

		foreach( array( 'secret', 'state', 'redirect_uri', 'code' ) as $required ) {
			if ( ! isset( $request[ $required ] ) || empty( $request[ $required ] ) ) {
				return $this->error( new Jetpack_Error( 'missing_parameter', 'One or more parameters is missing from the request.', 400 ), 'jpc_remote_authorize_fail' );
			}
		}

		if ( ! $user ) {
			return $this->error( new Jetpack_Error( 'user_unknown', 'User not found.', 404 ), 'jpc_remote_authorize_fail' );
		}

		if ( Jetpack::is_active() && Jetpack::is_user_connected( $request['state'] ) ) {
			return $this->error( new Jetpack_Error( 'already_connected', 'User already connected.', 400 ), 'jpc_remote_authorize_fail' );
		}

		$verified = $this->verify_action( array( 'authorize', $request['secret'], $request['state'] ) );

		if ( is_a( $verified, 'IXR_Error' ) ) {
			return $this->error( $verified, 'jpc_remote_authorize_fail' );
		}

		wp_set_current_user( $request['state'] );

		$client_server = new Jetpack_Client_Server;
		$result = $client_server->authorize( $request );

		if ( is_wp_error( $result ) ) {
			return $this->error( $result, 'jpc_remote_authorize_fail' );
		}

		JetpackTracking::record_user_event( 'jpc_remote_authorize_success' );

		$response = array(
			'result' => $result,
		);
		return $response;
	}

	function remote_provision( $request ) {
		if ( ! isset( $request['local_username'] ) ) {
			return $this->error( new Jetpack_Error( 'local_username_missing', sprintf( 'The required "%s" parameter is missing.', 'local_username' ), 400 ), 'jpc_remote_provision_fail' );
		}

		$access_token = $request['access_token'];
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
		$local_username = $request['local_username'];

		$user = get_user_by( 'login', $local_username );

		if ( ! $user ) {
			$user = get_user_by( 'email', $local_username );
		}

		if ( ! $user ) {
			return $this->error( new Jetpack_Error( 'user_unknown', 'User not found.', 404 ) );
		}

		require_once JETPACK__PLUGIN_DIR . '_inc/class.jetpack-provision.php';

		wp_set_current_user( $user->ID );

		// Filter allowed parameters.
		$allowed_provision_args = array( 'wpcom_user_id', 'wpcom_user_email', 'local_username', 'plan', 'force_register', 'force_connect', 'onboarding', 'partner_tracking_id' );
		$args = array_intersect_key(
			$request,
			array_flip( $allowed_provision_args )
		);

		$result = Jetpack_Provision::register_and_build_request_body( $args );

		if ( is_wp_error( $result ) ) {
			return $this->error( $result, 'jpc_remote_provision_fail' );
		}

		return $result;
	}

	private function tracks_record_error( $name, $error, $user = null ) {
		if ( is_wp_error( $error ) ) {
			JetpackTracking::record_user_event( $name, array(
				'error_code' => $error->get_error_code(),
				'error_message' => $error->get_error_message()
			), $user );
		} elseif( is_a( $error, 'IXR_Error' ) ) {
			JetpackTracking::record_user_event( $name, array(
				'error_code' => $error->code,
				'error_message' => $error->message
			), $user );
		}

		return $error;
	}

	/**
	* Verifies that Jetpack.WordPress.com received a registration request from this site
	*/
	function verify_registration( $data ) {
		// failure modes will be recorded in tracks in the verify_action method
		return $this->verify_action( array( 'register', $data[0], $data[1] ) );
	}

	/**
	 * @return WP_Error|string secret_2 on success, WP_Error( error_code => error_code, error_message => error description, error_data => status code ) on failure
	 *
	 * Possible error_codes:
	 *
	 * verify_secret_1_missing
	 * verify_secret_1_malformed
	 * verify_secrets_missing: verification secrets are not found in database
	 * verify_secrets_incomplete: verification secrets are only partially found in database
	 * verify_secrets_expired: verification secrets have expired
	 * verify_secrets_mismatch: stored secret_1 does not match secret_1 sent by Jetpack.WordPress.com
	 * state_missing: required parameter of state not found
	 * state_malformed: state is not a digit
	 * invalid_state: state in request does not match the stored state
	 *
	 * The 'authorize' and 'register' actions have additional error codes
	 *
	 * state_missing: a state ( user id ) was not supplied
	 * state_malformed: state is not the correct data type
	 * invalid_state: supplied state does not match the stored state
	 */
	function verify_action( $params ) {
		$action = $params[0];
		$verify_secret = $params[1];
		$state = isset( $params[2] ) ? $params[2] : '';
		$user = get_user_by( 'id', $state );
		JetpackTracking::record_user_event( 'jpc_verify_' . $action . '_begin', array(), $user );
		$tracks_failure_event_name = 'jpc_verify_' . $action . '_fail';

		if ( empty( $verify_secret ) ) {
			return $this->error( new Jetpack_Error( 'verify_secret_1_missing', sprintf( 'The required "%s" parameter is missing.', 'secret_1' ), 400 ), $tracks_failure_event_name, $user );
		} else if ( ! is_string( $verify_secret ) ) {
			return $this->error( new Jetpack_Error( 'verify_secret_1_malformed', sprintf( 'The required "%s" parameter is malformed.', 'secret_1' ), 400 ), $tracks_failure_event_name, $user );
		} else if ( empty( $state ) ) {
			return $this->error( new Jetpack_Error( 'state_missing', sprintf( 'The required "%s" parameter is missing.', 'state' ), 400 ), $tracks_failure_event_name, $user );
		} else if ( ! ctype_digit( $state ) ) {
			return $this->error( new Jetpack_Error( 'state_malformed', sprintf( 'The required "%s" parameter is malformed.', 'state' ), 400 ), $tracks_failure_event_name, $user );
		}

		$secrets = Jetpack::get_secrets( $action, $state );

		if ( ! $secrets ) {
			Jetpack::delete_secrets( $action, $state );
			return $this->error( new Jetpack_Error( 'verify_secrets_missing', 'Verification secrets not found', 400 ), $tracks_failure_event_name, $user );
		}

		if ( is_wp_error( $secrets ) ) {
			Jetpack::delete_secrets( $action, $state );
			return $this->error( new Jetpack_Error( $secrets->get_error_code(), $secrets->get_error_message(), 400 ), $tracks_failure_event_name, $user );
		}

		if ( empty( $secrets['secret_1'] ) || empty( $secrets['secret_2'] ) || empty( $secrets['exp'] ) ) {
			Jetpack::delete_secrets( $action, $state );
			return $this->error( new Jetpack_Error( 'verify_secrets_incomplete', 'Verification secrets are incomplete', 400 ), $tracks_failure_event_name, $user );
		}

		if ( ! hash_equals( $verify_secret, $secrets['secret_1'] ) ) {
			Jetpack::delete_secrets( $action, $state );
			return $this->error( new Jetpack_Error( 'verify_secrets_mismatch', 'Secret mismatch', 400 ), $tracks_failure_event_name, $user );
		}

		Jetpack::delete_secrets( $action, $state );

		JetpackTracking::record_user_event( 'jpc_verify_' . $action . '_success', array(), $user );

		return $secrets['secret_2'];
	}

	/**
	 * Wrapper for wp_authenticate( $username, $password );
	 *
	 * @return WP_User|bool
	 */
	function login() {
		Jetpack::init()->require_jetpack_authentication();
		$user = wp_authenticate( 'username', 'password' );
		if ( is_wp_error( $user ) ) {
			if ( 'authentication_failed' == $user->get_error_code() ) { // Generic error could mean most anything.
				$this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 );
			} else {
				$this->error = $user;
			}
			return false;
		} else if ( !$user ) { // Shouldn't happen.
			$this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 );
			return false;
		}

		return $user;
	}

	/**
	 * Returns the current error as an IXR_Error
	 *
	 * @return bool|IXR_Error
	 */
	function error( $error = null, $tracks_event_name = null, $user = null ) {
		// record using Tracks
		if ( null !== $tracks_event_name ) {
			$this->tracks_record_error( $tracks_event_name, $error, $user );
		}

		if ( !is_null( $error ) ) {
			$this->error = $error;
		}

		if ( is_wp_error( $this->error ) ) {
			$code = $this->error->get_error_data();
			if ( !$code ) {
				$code = -10520;
			}
			$message = sprintf( 'Jetpack: [%s] %s', $this->error->get_error_code(), $this->error->get_error_message() );
			return new IXR_Error( $code, $message );
		} else if ( is_a( $this->error, 'IXR_Error' ) ) {
			return $this->error;
		}

		return false;
	}

/* API Methods */

	/**
	 * Just authenticates with the given Jetpack credentials.
	 *
	 * @return string The current Jetpack version number
	 */
	function test_connection() {
		return JETPACK__VERSION;
	}

	function test_api_user_code( $args ) {
		$client_id = (int) $args[0];
		$user_id   = (int) $args[1];
		$nonce     = (string) $args[2];
		$verify    = (string) $args[3];

		if ( !$client_id || !$user_id || !strlen( $nonce ) || 32 !== strlen( $verify ) ) {
			return false;
		}

		$user = get_user_by( 'id', $user_id );
		if ( !$user || is_wp_error( $user ) ) {
			return false;
		}

		/* debugging
		error_log( "CLIENT: $client_id" );
		error_log( "USER:   $user_id" );
		error_log( "NONCE:  $nonce" );
		error_log( "VERIFY: $verify" );
		*/

		$jetpack_token = Jetpack_Data::get_access_token( $user_id );

		$api_user_code = get_user_meta( $user_id, "jetpack_json_api_$client_id", true );
		if ( !$api_user_code ) {
			return false;
		}

		$hmac = hash_hmac( 'md5', json_encode( (object) array(
			'client_id' => (int) $client_id,
			'user_id'   => (int) $user_id,
			'nonce'     => (string) $nonce,
			'code'      => (string) $api_user_code,
		) ), $jetpack_token->secret );

		if ( ! hash_equals( $hmac, $verify ) ) {
			return false;
		}

		return $user_id;
	}

	/**
	* Disconnect this blog from the connected wordpress.com account
	* @return boolean
	*/
	function disconnect_blog() {

		// For tracking
		if ( ! empty( $this->user->ID ) ) {
			wp_set_current_user( $this->user->ID );
		}

		Jetpack::log( 'disconnect' );
		Jetpack::disconnect();

		return true;
	}

	/**
	 * Unlink a user from WordPress.com
	 *
	 * This will fail if called by the Master User.
	 */
	function unlink_user() {
		Jetpack::log( 'unlink' );
		return Jetpack::unlink_user();
	}

	/**
	 * Returns any object that is able to be synced
	 */
	function sync_object( $args ) {
		// e.g. posts, post, 5
		list( $module_name, $object_type, $id ) = $args;
		require_once dirname( __FILE__ ) . '/sync/class.jetpack-sync-modules.php';
		require_once dirname( __FILE__ ) . '/sync/class.jetpack-sync-sender.php';

		$sync_module = Jetpack_Sync_Modules::get_module( $module_name );
		$codec = Jetpack_Sync_Sender::get_instance()->get_codec();

		return $codec->encode( $sync_module->get_object_by_id( $object_type, $id ) );
	}

	/**
	 * Returns the home URL and site URL for the current site which can be used on the WPCOM side for
	 * IDC mitigation to decide whether sync should be allowed if the home and siteurl values differ between WPCOM
	 * and the remote Jetpack site.
	 *
	 * @return array
	 */
	function validate_urls_for_idc_mitigation() {
		require_once JETPACK__PLUGIN_DIR . 'sync/class.jetpack-sync-functions.php';
		return array(
			'home'    => Jetpack_Sync_Functions::home_url(),
			'siteurl' => Jetpack_Sync_Functions::site_url(),
		);
	}

	/**
	 * Returns what features are available. Uses the slug of the module files.
	 *
	 * @return array
	 */
	function features_available() {
		$raw_modules = Jetpack::get_available_modules();
		$modules = array();
		foreach ( $raw_modules as $module ) {
			$modules[] = Jetpack::get_module_slug( $module );
		}

		return $modules;
	}

	/**
	 * Returns what features are enabled. Uses the slug of the modules files.
	 *
	 * @return array
	 */
	function features_enabled() {
		$raw_modules = Jetpack::get_active_modules();
		$modules = array();
		foreach ( $raw_modules as $module ) {
			$modules[] = Jetpack::get_module_slug( $module );
		}

		return $modules;
	}

	function update_attachment_parent( $args ) {
		$attachment_id = (int) $args[0];
		$parent_id     = (int) $args[1];

		return wp_update_post( array(
			'ID'          => $attachment_id,
			'post_parent' => $parent_id,
		) );
	}

	function json_api( $args = array() ) {
		$json_api_args = $args[0];
		$verify_api_user_args = $args[1];

		$method       = (string) $json_api_args[0];
		$url          = (string) $json_api_args[1];
		$post_body    = is_null( $json_api_args[2] ) ? null : (string) $json_api_args[2];
		$user_details = (array) $json_api_args[4];
		$locale       = (string) $json_api_args[5];

		if ( !$verify_api_user_args ) {
			$user_id = 0;
		} elseif ( 'internal' === $verify_api_user_args[0] ) {
			$user_id = (int) $verify_api_user_args[1];
			if ( $user_id ) {
				$user = get_user_by( 'id', $user_id );
				if ( !$user || is_wp_error( $user ) ) {
					return false;
				}
			}
		} else {
			$user_id = call_user_func( array( $this, 'test_api_user_code' ), $verify_api_user_args );
			if ( !$user_id ) {
				return false;
			}
		}

		/* debugging
		error_log( "-- begin json api via jetpack debugging -- " );
		error_log( "METHOD: $method" );
		error_log( "URL: $url" );
		error_log( "POST BODY: $post_body" );
		error_log( "VERIFY_ARGS: " . print_r( $verify_api_user_args, 1 ) );
		error_log( "VERIFIED USER_ID: " . (int) $user_id );
		error_log( "-- end json api via jetpack debugging -- " );
		*/

		if ( 'en' !== $locale ) {
			// .org mo files are named slightly different from .com, and all we have is this the locale -- try to guess them.
			$new_locale = $locale;
			if ( strpos( $locale, '-' ) !== false ) {
				$locale_pieces = explode( '-', $locale );
				$new_locale = $locale_pieces[0];
				$new_locale .= ( ! empty( $locale_pieces[1] ) ) ? '_' . strtoupper( $locale_pieces[1] ) : '';
			} else {
				// .com might pass 'fr' because thats what our language files are named as, where core seems
				// to do fr_FR - so try that if we don't think we can load the file.
				if ( ! file_exists( WP_LANG_DIR . '/' . $locale . '.mo' ) ) {
					$new_locale =  $locale . '_' . strtoupper( $locale );
				}
			}

			if ( file_exists( WP_LANG_DIR . '/' . $new_locale . '.mo' ) ) {
				unload_textdomain( 'default' );
				load_textdomain( 'default', WP_LANG_DIR . '/' . $new_locale . '.mo' );
			}
		}

		$old_user = wp_get_current_user();
		wp_set_current_user( $user_id );

		$token = Jetpack_Data::get_access_token( get_current_user_id() );
		if ( !$token || is_wp_error( $token ) ) {
			return false;
		}

		define( 'REST_API_REQUEST', true );
		define( 'WPCOM_JSON_API__BASE', 'public-api.wordpress.com/rest/v1' );

		// needed?
		require_once ABSPATH . 'wp-admin/includes/admin.php';

		require_once JETPACK__PLUGIN_DIR . 'class.json-api.php';
		$api = WPCOM_JSON_API::init( $method, $url, $post_body );
		$api->token_details['user'] = $user_details;
		require_once JETPACK__PLUGIN_DIR . 'class.json-api-endpoints.php';

		$display_errors = ini_set( 'display_errors', 0 );
		ob_start();
		$content_type = $api->serve( false );
		$output = ob_get_clean();
		ini_set( 'display_errors', $display_errors );

		$nonce = wp_generate_password( 10, false );
		$hmac  = hash_hmac( 'md5', $nonce . $output, $token->secret );

		wp_set_current_user( isset( $old_user->ID ) ? $old_user->ID : 0 );

		return array(
			(string) $output,
			(string) $nonce,
			(string) $hmac,
		);
	}
}


1		<?php
2
3		/**
4		* Just a sack of functions. Not actually an IXR_Server
5		*/
6		class Jetpack_XMLRPC_Server {
7		/**
8		* The current error object
9		*/
10		public $error = null;
11
12		/**
13		* The current user
14		*/
15		public $user = null;
16
17		/**
18		* Whitelist of the XML-RPC methods available to the Jetpack Server. If the
19		* user is not authenticated (->login()) then the methods are never added,
20		* so they will get a "does not exist" error.
21		*/
22		function xmlrpc_methods( $core_methods ) {
23		$jetpack_methods = array(
24		'jetpack.jsonAPI' => array( $this, 'json_api' ),
25		'jetpack.verifyAction' => array( $this, 'verify_action' ),
26		);
27
28		$this->user = $this->login();
29
30		if ( $this->user ) {
31		$jetpack_methods = array_merge( $jetpack_methods, array(
32		'jetpack.testConnection' => array( $this, 'test_connection' ),
33		'jetpack.testAPIUserCode' => array( $this, 'test_api_user_code' ),
34		'jetpack.featuresAvailable' => array( $this, 'features_available' ),
35		'jetpack.featuresEnabled' => array( $this, 'features_enabled' ),
36		'jetpack.disconnectBlog' => array( $this, 'disconnect_blog' ),
37		'jetpack.unlinkUser' => array( $this, 'unlink_user' ),
38		'jetpack.syncObject' => array( $this, 'sync_object' ),
39		'jetpack.idcUrlValidation' => array( $this, 'validate_urls_for_idc_mitigation' ),
40		) );
41
42		if ( isset( $core_methods['metaWeblog.editPost'] ) ) {
43		$jetpack_methods['metaWeblog.newMediaObject'] = $core_methods['metaWeblog.newMediaObject'];
44		$jetpack_methods['jetpack.updateAttachmentParent'] = array( $this, 'update_attachment_parent' );
45		}
46
47		/**
48		* Filters the XML-RPC methods available to Jetpack for authenticated users.
49		*
50		* @since 1.1.0
51		*
52		* @param array $jetpack_methods XML-RPC methods available to the Jetpack Server.
53		* @param array $core_methods Available core XML-RPC methods.
54		* @param WP_User $user Information about a given WordPress user.
55		*/
56		$jetpack_methods = apply_filters( 'jetpack_xmlrpc_methods', $jetpack_methods, $core_methods, $this->user );
57		}
58
59		/**
60		* Filters the XML-RPC methods available to Jetpack for unauthenticated users.
61		*
62		* @since 3.0.0
63		*
64		* @param array $jetpack_methods XML-RPC methods available to the Jetpack Server.
65		* @param array $core_methods Available core XML-RPC methods.
66		*/
67		return apply_filters( 'jetpack_xmlrpc_unauthenticated_methods', $jetpack_methods, $core_methods );
68		}
69
70		/**
71		* Whitelist of the bootstrap XML-RPC methods
72		*/
73		function bootstrap_xmlrpc_methods() {
74		return array(
75		'jetpack.verifyRegistration' => array( $this, 'verify_registration' ),
76		'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ),
77		'jetpack.remoteProvision' => array( $this, 'remote_provision' ),
78		);
79		}
80
81		function authorize_xmlrpc_methods() {
82		return array(
83		'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ),
84		'jetpack.remoteProvision' => array( $this, 'remote_provision' ),
85		);
86		}
87
88		function remote_authorize( $request ) {
89		$user = get_user_by( 'id', $request['state'] );
90		JetpackTracking::record_user_event( 'jpc_remote_authorize_begin', array(), $user );
91
92		foreach( array( 'secret', 'state', 'redirect_uri', 'code' ) as $required ) {
93		if ( ! isset( $request[ $required ] ) \|\| empty( $request[ $required ] ) ) {
94		return $this->error( new Jetpack_Error( 'missing_parameter', 'One or more parameters is missing from the request.', 400 ), 'jpc_remote_authorize_fail' );
95		}
96		}
97
98		if ( ! $user ) {
99		return $this->error( new Jetpack_Error( 'user_unknown', 'User not found.', 404 ), 'jpc_remote_authorize_fail' );
100		}
101
102		if ( Jetpack::is_active() && Jetpack::is_user_connected( $request['state'] ) ) {
103		return $this->error( new Jetpack_Error( 'already_connected', 'User already connected.', 400 ), 'jpc_remote_authorize_fail' );
104		}
105
106		$verified = $this->verify_action( array( 'authorize', $request['secret'], $request['state'] ) );
107
108		if ( is_a( $verified, 'IXR_Error' ) ) {
109		return $this->error( $verified, 'jpc_remote_authorize_fail' );
110		}
111
112		wp_set_current_user( $request['state'] );
113
114		$client_server = new Jetpack_Client_Server;
115		$result = $client_server->authorize( $request );
116
117		if ( is_wp_error( $result ) ) {
118		return $this->error( $result, 'jpc_remote_authorize_fail' );
119		}
120
121		JetpackTracking::record_user_event( 'jpc_remote_authorize_success' );
122
123		$response = array(
124		'result' => $result,
125		);
126		return $response;
127		}
128
129		function remote_provision( $request ) {
130		if ( ! isset( $request['local_username'] ) ) {
131		return $this->error( new Jetpack_Error( 'local_username_missing', sprintf( 'The required "%s" parameter is missing.', 'local_username' ), 400 ), 'jpc_remote_provision_fail' );
132		}
133
134		$access_token = $request['access_token'];
		0 ignored issues – show Unused Code introduced 2018-03-28 21:35 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$access_token` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
135		$local_username = $request['local_username'];
136
137		$user = get_user_by( 'login', $local_username );
138
139		if ( ! $user ) {
140		$user = get_user_by( 'email', $local_username );
141		}
142
143		if ( ! $user ) {
144		return $this->error( new Jetpack_Error( 'user_unknown', 'User not found.', 404 ) );
145		}
146
147		require_once JETPACK__PLUGIN_DIR . '_inc/class.jetpack-provision.php';
148
149		wp_set_current_user( $user->ID );
150
151		// Filter allowed parameters.
152		$allowed_provision_args = array( 'wpcom_user_id', 'wpcom_user_email', 'local_username', 'plan', 'force_register', 'force_connect', 'onboarding', 'partner_tracking_id' );
153		$args = array_intersect_key(
154		$request,
155		array_flip( $allowed_provision_args )
156		);
157
158		$result = Jetpack_Provision::register_and_build_request_body( $args );
159
160		if ( is_wp_error( $result ) ) {
161		return $this->error( $result, 'jpc_remote_provision_fail' );
162		}
163
164		return $result;
165		}
166
167		private function tracks_record_error( $name, $error, $user = null ) {
168		if ( is_wp_error( $error ) ) {
169		JetpackTracking::record_user_event( $name, array(
170		'error_code' => $error->get_error_code(),
171		'error_message' => $error->get_error_message()
172		), $user );
173		} elseif( is_a( $error, 'IXR_Error' ) ) {
174		JetpackTracking::record_user_event( $name, array(
175		'error_code' => $error->code,
176		'error_message' => $error->message
177		), $user );
178		}
179
180		return $error;
181		}
182
183		/**
184		* Verifies that Jetpack.WordPress.com received a registration request from this site
185		*/
186		function verify_registration( $data ) {
187		// failure modes will be recorded in tracks in the verify_action method
188		return $this->verify_action( array( 'register', $data[0], $data[1] ) );
189		}
190
191		/**
192		* @return WP_Error\|string secret_2 on success, WP_Error( error_code => error_code, error_message => error description, error_data => status code ) on failure
193		*
194		* Possible error_codes:
195		*
196		* verify_secret_1_missing
197		* verify_secret_1_malformed
198		* verify_secrets_missing: verification secrets are not found in database
199		* verify_secrets_incomplete: verification secrets are only partially found in database
200		* verify_secrets_expired: verification secrets have expired
201		* verify_secrets_mismatch: stored secret_1 does not match secret_1 sent by Jetpack.WordPress.com
202		* state_missing: required parameter of state not found
203		* state_malformed: state is not a digit
204		* invalid_state: state in request does not match the stored state
205		*
206		* The 'authorize' and 'register' actions have additional error codes
207		*
208		* state_missing: a state ( user id ) was not supplied
209		* state_malformed: state is not the correct data type
210		* invalid_state: supplied state does not match the stored state
211		*/
212		function verify_action( $params ) {
213		$action = $params[0];
214		$verify_secret = $params[1];
215		$state = isset( $params[2] ) ? $params[2] : '';
216		$user = get_user_by( 'id', $state );
217		JetpackTracking::record_user_event( 'jpc_verify_' . $action . '_begin', array(), $user );
218		$tracks_failure_event_name = 'jpc_verify_' . $action . '_fail';
219
220		if ( empty( $verify_secret ) ) {
221		return $this->error( new Jetpack_Error( 'verify_secret_1_missing', sprintf( 'The required "%s" parameter is missing.', 'secret_1' ), 400 ), $tracks_failure_event_name, $user );
222		} else if ( ! is_string( $verify_secret ) ) {
223		return $this->error( new Jetpack_Error( 'verify_secret_1_malformed', sprintf( 'The required "%s" parameter is malformed.', 'secret_1' ), 400 ), $tracks_failure_event_name, $user );
224		} else if ( empty( $state ) ) {
225		return $this->error( new Jetpack_Error( 'state_missing', sprintf( 'The required "%s" parameter is missing.', 'state' ), 400 ), $tracks_failure_event_name, $user );
226		} else if ( ! ctype_digit( $state ) ) {
227		return $this->error( new Jetpack_Error( 'state_malformed', sprintf( 'The required "%s" parameter is malformed.', 'state' ), 400 ), $tracks_failure_event_name, $user );
228		}
229
230		$secrets = Jetpack::get_secrets( $action, $state );
231
232		if ( ! $secrets ) {
233		Jetpack::delete_secrets( $action, $state );
234		return $this->error( new Jetpack_Error( 'verify_secrets_missing', 'Verification secrets not found', 400 ), $tracks_failure_event_name, $user );
235		}
236
237		if ( is_wp_error( $secrets ) ) {
238		Jetpack::delete_secrets( $action, $state );
239		return $this->error( new Jetpack_Error( $secrets->get_error_code(), $secrets->get_error_message(), 400 ), $tracks_failure_event_name, $user );
240		}
241
242		if ( empty( $secrets['secret_1'] ) \|\| empty( $secrets['secret_2'] ) \|\| empty( $secrets['exp'] ) ) {
243		Jetpack::delete_secrets( $action, $state );
244		return $this->error( new Jetpack_Error( 'verify_secrets_incomplete', 'Verification secrets are incomplete', 400 ), $tracks_failure_event_name, $user );
245		}
246
247		if ( ! hash_equals( $verify_secret, $secrets['secret_1'] ) ) {
248		Jetpack::delete_secrets( $action, $state );
249		return $this->error( new Jetpack_Error( 'verify_secrets_mismatch', 'Secret mismatch', 400 ), $tracks_failure_event_name, $user );
250		}
251
252		Jetpack::delete_secrets( $action, $state );
253
254		JetpackTracking::record_user_event( 'jpc_verify_' . $action . '_success', array(), $user );
255
256		return $secrets['secret_2'];
257		}
258
259		/**
260		* Wrapper for wp_authenticate( $username, $password );
261		*
262		* @return WP_User\|bool
263		*/
264		function login() {
265		Jetpack::init()->require_jetpack_authentication();
266		$user = wp_authenticate( 'username', 'password' );
267		if ( is_wp_error( $user ) ) {
268		if ( 'authentication_failed' == $user->get_error_code() ) { // Generic error could mean most anything.
269		$this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 );
270		} else {
271		$this->error = $user;
272		}
273		return false;
274		} else if ( !$user ) { // Shouldn't happen.
275		$this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 );
276		return false;
277		}
278
279		return $user;
280		}
281
282		/**
283		* Returns the current error as an IXR_Error
284		*
285		* @return bool\|IXR_Error
286		*/
287		function error( $error = null, $tracks_event_name = null, $user = null ) {
288		// record using Tracks
289		if ( null !== $tracks_event_name ) {
290		$this->tracks_record_error( $tracks_event_name, $error, $user );
291		}
292
293		if ( !is_null( $error ) ) {
294		$this->error = $error;
295		}
296
297		if ( is_wp_error( $this->error ) ) {
298		$code = $this->error->get_error_data();
299		if ( !$code ) {
300		$code = -10520;
301		}
302		$message = sprintf( 'Jetpack: [%s] %s', $this->error->get_error_code(), $this->error->get_error_message() );
303		return new IXR_Error( $code, $message );
304		} else if ( is_a( $this->error, 'IXR_Error' ) ) {
305		return $this->error;
306		}
307
308		return false;
309		}
310
311		/* API Methods */
312
313		/**
314		* Just authenticates with the given Jetpack credentials.
315		*
316		* @return string The current Jetpack version number
317		*/
318		function test_connection() {
319		return JETPACK__VERSION;
320		}
321
322		function test_api_user_code( $args ) {
323		$client_id = (int) $args[0];
324		$user_id = (int) $args[1];
325		$nonce = (string) $args[2];
326		$verify = (string) $args[3];
327
328		if ( !$client_id \|\| !$user_id \|\| !strlen( $nonce ) \|\| 32 !== strlen( $verify ) ) {
329		return false;
330		}
331
332		$user = get_user_by( 'id', $user_id );
333		if ( !$user \|\| is_wp_error( $user ) ) {
334		return false;
335		}
336
337		/* debugging
338		error_log( "CLIENT: $client_id" );
339		error_log( "USER: $user_id" );
340		error_log( "NONCE: $nonce" );
341		error_log( "VERIFY: $verify" );
342		*/
343
344		$jetpack_token = Jetpack_Data::get_access_token( $user_id );
345
346		$api_user_code = get_user_meta( $user_id, "jetpack_json_api_$client_id", true );
347		if ( !$api_user_code ) {
348		return false;
349		}
350
351		$hmac = hash_hmac( 'md5', json_encode( (object) array(
352		'client_id' => (int) $client_id,
353		'user_id' => (int) $user_id,
354		'nonce' => (string) $nonce,
355		'code' => (string) $api_user_code,
356		) ), $jetpack_token->secret );
357
358		if ( ! hash_equals( $hmac, $verify ) ) {
359		return false;
360		}
361
362		return $user_id;
363		}
364
365		/**
366		* Disconnect this blog from the connected wordpress.com account
367		* @return boolean
368		*/
369		function disconnect_blog() {
370
371		// For tracking
372		if ( ! empty( $this->user->ID ) ) {
373		wp_set_current_user( $this->user->ID );
374		}
375
376		Jetpack::log( 'disconnect' );
377		Jetpack::disconnect();
378
379		return true;
380		}
381
382		/**
383		* Unlink a user from WordPress.com
384		*
385		* This will fail if called by the Master User.
386		*/
387		function unlink_user() {
388		Jetpack::log( 'unlink' );
389		return Jetpack::unlink_user();
390		}
391
392		/**
393		* Returns any object that is able to be synced
394		*/
395		function sync_object( $args ) {
396		// e.g. posts, post, 5
397		list( $module_name, $object_type, $id ) = $args;
398		require_once dirname( __FILE__ ) . '/sync/class.jetpack-sync-modules.php';
399		require_once dirname( __FILE__ ) . '/sync/class.jetpack-sync-sender.php';
400
401		$sync_module = Jetpack_Sync_Modules::get_module( $module_name );
402		$codec = Jetpack_Sync_Sender::get_instance()->get_codec();
403
404		return $codec->encode( $sync_module->get_object_by_id( $object_type, $id ) );
405		}
406
407		/**
408		* Returns the home URL and site URL for the current site which can be used on the WPCOM side for
409		* IDC mitigation to decide whether sync should be allowed if the home and siteurl values differ between WPCOM
410		* and the remote Jetpack site.
411		*
412		* @return array
413		*/
414		function validate_urls_for_idc_mitigation() {
415		require_once JETPACK__PLUGIN_DIR . 'sync/class.jetpack-sync-functions.php';
416		return array(
417		'home' => Jetpack_Sync_Functions::home_url(),
418		'siteurl' => Jetpack_Sync_Functions::site_url(),
419		);
420		}
421
422		/**
423		* Returns what features are available. Uses the slug of the module files.
424		*
425		* @return array
426		*/
427	View Code Duplication	function features_available() {
428		$raw_modules = Jetpack::get_available_modules();
429		$modules = array();
430		foreach ( $raw_modules as $module ) {
431		$modules[] = Jetpack::get_module_slug( $module );
432		}
433
434		return $modules;
435		}
436
437		/**
438		* Returns what features are enabled. Uses the slug of the modules files.
439		*
440		* @return array
441		*/
442	View Code Duplication	function features_enabled() {
443		$raw_modules = Jetpack::get_active_modules();
444		$modules = array();
445		foreach ( $raw_modules as $module ) {
446		$modules[] = Jetpack::get_module_slug( $module );
447		}
448
449		return $modules;
450		}
451
452		function update_attachment_parent( $args ) {
453		$attachment_id = (int) $args[0];
454		$parent_id = (int) $args[1];
455
456		return wp_update_post( array(
457		'ID' => $attachment_id,
458		'post_parent' => $parent_id,
459		) );
460		}
461
462		function json_api( $args = array() ) {
463		$json_api_args = $args[0];
464		$verify_api_user_args = $args[1];
465
466		$method = (string) $json_api_args[0];
467		$url = (string) $json_api_args[1];
468		$post_body = is_null( $json_api_args[2] ) ? null : (string) $json_api_args[2];
469		$user_details = (array) $json_api_args[4];
470		$locale = (string) $json_api_args[5];
471
472		if ( !$verify_api_user_args ) {
473		$user_id = 0;
474		} elseif ( 'internal' === $verify_api_user_args[0] ) {
475		$user_id = (int) $verify_api_user_args[1];
476		if ( $user_id ) {
477		$user = get_user_by( 'id', $user_id );
478		if ( !$user \|\| is_wp_error( $user ) ) {
479		return false;
480		}
481		}
482		} else {
483		$user_id = call_user_func( array( $this, 'test_api_user_code' ), $verify_api_user_args );
484		if ( !$user_id ) {
485		return false;
486		}
487		}
488
489		/* debugging
490		error_log( "-- begin json api via jetpack debugging -- " );
491		error_log( "METHOD: $method" );
492		error_log( "URL: $url" );
493		error_log( "POST BODY: $post_body" );
494		error_log( "VERIFY_ARGS: " . print_r( $verify_api_user_args, 1 ) );
495		error_log( "VERIFIED USER_ID: " . (int) $user_id );
496		error_log( "-- end json api via jetpack debugging -- " );
497		*/
498
499		if ( 'en' !== $locale ) {
500		// .org mo files are named slightly different from .com, and all we have is this the locale -- try to guess them.
501		$new_locale = $locale;
502		if ( strpos( $locale, '-' ) !== false ) {
503		$locale_pieces = explode( '-', $locale );
504		$new_locale = $locale_pieces[0];
505		$new_locale .= ( ! empty( $locale_pieces[1] ) ) ? '_' . strtoupper( $locale_pieces[1] ) : '';
506		} else {
507		// .com might pass 'fr' because thats what our language files are named as, where core seems
508		// to do fr_FR - so try that if we don't think we can load the file.
509		if ( ! file_exists( WP_LANG_DIR . '/' . $locale . '.mo' ) ) {
510		$new_locale = $locale . '_' . strtoupper( $locale );
511		}
512		}
513
514		if ( file_exists( WP_LANG_DIR . '/' . $new_locale . '.mo' ) ) {
515		unload_textdomain( 'default' );
516		load_textdomain( 'default', WP_LANG_DIR . '/' . $new_locale . '.mo' );
517		}
518		}
519
520		$old_user = wp_get_current_user();
521		wp_set_current_user( $user_id );
522
523		$token = Jetpack_Data::get_access_token( get_current_user_id() );
524		if ( !$token \|\| is_wp_error( $token ) ) {
525		return false;
526		}
527
528		define( 'REST_API_REQUEST', true );
529		define( 'WPCOM_JSON_API__BASE', 'public-api.wordpress.com/rest/v1' );
530
531		// needed?
532		require_once ABSPATH . 'wp-admin/includes/admin.php';
533
534		require_once JETPACK__PLUGIN_DIR . 'class.json-api.php';
535		$api = WPCOM_JSON_API::init( $method, $url, $post_body );
536		$api->token_details['user'] = $user_details;
537		require_once JETPACK__PLUGIN_DIR . 'class.json-api-endpoints.php';
538
539		$display_errors = ini_set( 'display_errors', 0 );
540		ob_start();
541		$content_type = $api->serve( false );
542		$output = ob_get_clean();
543		ini_set( 'display_errors', $display_errors );
544
545		$nonce = wp_generate_password( 10, false );
546		$hmac = hash_hmac( 'md5', $nonce . $output, $token->secret );
547
548		wp_set_current_user( isset( $old_user->ID ) ? $old_user->ID : 0 );
549
550		return array(
551		(string) $output,
552		(string) $nonce,
553		(string) $hmac,
554		);
555		}
556		}
557

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class.jetpack-xmlrpc-server.php (1 issue)

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